C1 Core knowledge (Part 1) Flashcards
(29 cards)
What is the name of Group 1 elements?
Alkali metals
What is the name of Group 7 elements?
Halogens
What is the name of Group 0 elements?
Noble gases
What happens to the reactivity of Group 1 metals as you go down the group?
Reactivity increases
What happens to the reactivity of Group 7 elements as you go down the group?
Reactivity decreases
What happens to the melting and boiling points of Group 1 elements as you go down the group?
They decrease
What happens to the melting and boiling points of Group 7 elements as you go down the group?
They increase
Name the metals in the middle block of the periodic table (between groups 2 and 3)
Transition metals
What are the columns in the periodic table called?
Groups
What are the rows in the periodic table called?
Periods
Where are the metals on the periodic table?
On the left
Where are the non-metals on the periodic table?
On the right
Complete the equation:
lithium + water –>
lithium hydroxide + hydrogen
Complete the equation:
sodium + water –>
sodium hydroxide + hydrogen
What gas is produced when an alkali metal reacts with water?
Hydrogen
Which group of the periodic table contains unreactive elements?
Group 0 / noble gases
Name the noble gas used in advertising signs
Neon
What separation process would you use to separate sand from water?
Filtration
What word describes a chemical that can’t dissolve?
Insoluble
What word describes a chemical that can dissolve?
Soluble
What is the overall charge on an atom?
There is no overall charge
Which sub-atomic particle has a positive charge?
Proton
How many electrons can the inner shell of an atom hold?
2
How many electrons are in the outershell of elements in Group 3?
3